# -*- coding: utf-8 -*-
vocabulary={'abandon':'放弃,抛弃','benefit':'利益,好处','challenge':'挑战','determine':'决定,决心','efficient':'高效的','frequent':'频繁的','generate':'产生,生成','hesitate':'犹豫','illustrate':'说明.阐明','jealous':'嫉妒的'}



for (x,y) in vocabulary.items():
   a=input('输入想查询的单词或汉字：')
   if x==a or y==a: 
      print(x,'=',y)
         
      
      break
else:
    print('查无此数')
